Cordless Concrete Nailer GNB 18V-38. Fastening steel profiles to hard materials like concrete and steel needs to be easy, efficient, and intuitive. The GNB 18V-38 Professional assists you with this task. It is powered by the powerful Biturbo Brushless technology and is part of the Bosch Professional 18V system. You only need a ProCORE18V battery to get started—no additional gas cartridges are required. A reliable fastening system has been developed that includes both the tool and nails, allowing you to fully focus on your work. The certified, galvanized carbon steel nails ensure a long lifespan in concrete and steel. A range of nails is available from 16 to 38 mm for concrete and 13 to 19 mm for applications in steel. The tool and nails are tested and certified according to ETA or ICC standards. Compatible with the Bosch Professional 18V system and the cross-brand AMPShare battery alliance. Includes 1 x XL-BOXX, 1 x XL-BOXX insert for GNB 18V-38, 1 x ejector pin, 1 x fastening hook, 2 x ProCORE18V 4.0Ah batteries, and a GAL 18V-40 Professional fast charger.